LG T90SJSF1Z comes with smart Inverter an energy saving technology eliminates wasted operation by efficiently controlling energy use. it is corrosion resistant as this protection eliminates dust, insects, and humidity. Smart inverter Washing Machines adjust the energy consumption at optimum level in accordance with the required power. Smart Motions combined with Turbodrum & Precise smart inverter control upgrades the way of washing & provides better performance. Jet Spray+ scrubs off tough dirt & also helps save 30% Water. Another unique feature is the smart closing door that closes gently on its own. This washing machine comes with a stainless steel drum. It does not rust or break and thus, has a long life. This LG washing machine provides an excellent washing experience as the turbo drum and pulsator move in opposite directions to eliminate dirt the fastest way. The Punch+ 3 function helps in this regard by creating water streams in the vertical direction to push your clothes up and down as well. The Auto Restart function starts the machine from the same cycle where it left off during the power cut. It saves water, power, and time. This machine comes with a unique Tub Clean feature ensures the elimination of unpleasant odor and sterilizes the drum. You can lock all the keys to prevent settings from being changed by a child If an error occurs, you can use the LG App or make a phone call to the LG Service center. A diagnosis can then be made resulting in less time wasted, less inconvenience and unnecessary visits.